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-rw-r--r--src/northbridge/intel/ironlake/romstage.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/northbridge/intel/ironlake/romstage.c b/src/northbridge/intel/ironlake/romstage.c
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index 0000000000..fdd71b486a
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+++ b/src/northbridge/intel/ironlake/romstage.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ * Copyright (C) 2014 Vladimir Serbinenko
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdint.h>
+#include <console/console.h>
+#include <cf9_reset.h>
+#include <device/pci_ops.h>
+#include <cpu/x86/lapic.h>
+#include <timestamp.h>
+#include <romstage_handoff.h>
+#include "ironlake.h"
+#include <arch/romstage.h>
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <northbridge/intel/ironlake/chip.h>
+#include <northbridge/intel/ironlake/raminit.h>
+#include <southbridge/intel/common/pmclib.h>
+#include <southbridge/intel/ibexpeak/pch.h>
+#include <southbridge/intel/ibexpeak/me.h>
+
+/* Platform has no romstage entry point under mainboard directory,
+ * so this one is named with prefix mainboard.
+ */
+void mainboard_romstage_entry(void)
+{
+ u32 reg32;
+ int s3resume = 0;
+ u8 spd_addrmap[4] = {};
+
+ enable_lapic();
+
+ /* TODO, make this configurable */
+ ironlake_early_initialization(IRONLAKE_MOBILE);
+
+ early_pch_init();
+
+ s3resume = southbridge_detect_s3_resume();
+ if (s3resume) {
+ u8 reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2);
+ if (!(reg8 & 0x20)) {
+ s3resume = 0;
+ printk(BIOS_DEBUG, "Bad resume from S3 detected.\n");
+ }
+ }
+
+ early_thermal_init();
+
+ timestamp_add_now(TS_BEFORE_INITRAM);
+
+ chipset_init(s3resume);
+
+ mainboard_pre_raminit();
+
+ mainboard_get_spd_map(spd_addrmap);
+
+ raminit(s3resume, spd_addrmap);
+
+ timestamp_add_now(TS_AFTER_INITRAM);
+
+ intel_early_me_status();
+
+ if (s3resume) {
+ /* Clear SLP_TYPE. This will break stage2 but
+ * we care for that when we get there.
+ */
+ reg32 = inl(DEFAULT_PMBASE + 0x04);
+ outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
+ }
+
+ romstage_handoff_init(s3resume);
+}